Ultra High Brightness LCDs

49” Fanless Digital Signage Display
(Intel® SDM Ready)
Model DS491LT4-M

The DS491LT4-M is a full HD 49-inch high brightness LCD featuring an LED backlight producing a 3,500 nit sunlight viewable image. The DS491LT4-M has been designed for applications in bright environments such as outdoor enclosures and storefront windows. A narrow bezel makes this model ideal for either single display or video wall applications. Each screen is individually color calibrated to the D65 color standard to ensure uniformity among multiple displays.

The DS4941LT4-M is designed with an Intel® SDM slot to accept an Intel Smart Display Module (not included).

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Ultra High Brightness LCDs Series Product Line

85″ 3500 nit Ultra HD Ultra-High Brightness LCD – DS851LR4-1

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75″ Ultra HD 4K High Brightness 3500 nits LCD – DS752LR4

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65″ 4000 nit Ultra High Brightness LCD – DS652LR5

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55″ 3000/1000 nit High Brightness Dual-Sided Digital Signage Display – DS551DR4

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55” Ultra High Brightness 5500 nits Digital Signage Display – DS552LT6-1

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55” 3500 nits High Brightness Fanless Digital Signage Display – DS552LT4-1

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55″ 3,500 nit High Brightness Fanless Digital Signage Display (Intel® SDM Ready) – DS552LT4-M

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55″ 3000 nit High Brightness LCD with Super Narrow Bezel – DS551LX4

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49″ Ultra High Brightness 5500 nit Digital Signage Display – DS491LT6

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49″ High Brightness 3500 nit Fanless Digital Signage Display – DS491LT4

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49” Fanless High Brightness Digital Signage Display (Intel® SDM Ready) – DS491LT4-M

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42″ 2,500 nit High Brightness Digital Signage Display – DS421LT4

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37″ High Brightness 3000 nit Bar-type LCD – DS371BT4

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32” 2500 nits Professional High Brightness Digital Signage Display – DS322LR4-1

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Product Features

Intel® SDM Ready
Sunlight Readable 3500 nits Brightness
Blackening Defect Free in Direct Sunlight
800 view product photos
Fanless Thermal Management
Narrow bezel for video wall applications

Product Highlights

Sunlight readable 3500 nits brightness, fanless thermal management, Intel® Smart Display Module ready (option), blackening defect-free in direct sunlight, narrow 8.5 mm bezel for video wall applications, 1080p Full HD resolution.

Color Temperature and Quality

Ensuring the color and brightness of each screen in a tiled matrix matches can be time consuming and requires additional calibration hardware. Each screen is individually color calibrated to the D65 (6500K) CIE color standard. Not only does this produce a true, natural white, the color of all screens will be uniform.

Blackening Defect Free

Most residential and commercial screens will blacken or result in isotropic failure when the LCD panel overheats. The DS491LT4-M is equipped with a high temperature LCD panel capable of withstanding temperatures up to 110˚C (230°F) without blackening – crucial for direct sunlight applications.

Auto Brightness Control

Different external lighting conditions require different brightness levels. An onboard light sensor measures the ambient light in the area and automatically adjusts the image accordingly.

Full HD Resolution

With a resolution of 1920 x 1080 Full HD, the DS491LT4-M provides a super sharp image for easy to read text and incredible detail

Narrow Bezel for Video Walls

The DS491LT4-M features an 8.5 mm narrow bezel display – perfect for video wall applications. With built-in video daisy chaining, a single 1080p source can be used on video walls up to 15×15 in size without the need for any additional external video wall controller.

The Intel logo is a trademark of Intel Corporation or its subsidiaries in the U.S. and/or other countries.
Intel is a trademark of Intel Corporation or its subsidiaries in the U.S. and/or other countries.

Model DS491LT4-M

Product Photos Product Specs Manual/Downloads Support
  • ​​​​​​​ LCD Panel Type: 48.5 inches LCD
  • ​​​​​​​ Native Resolution: 1920 x 1080
  • ​​​​​​​ Backlight: LED
  • ​​​​​​​ Default Color Temperature: D65 (6500 K)
  • ​​​​​​​ Brightness: 3500 nit
  • ​​​​​​​ Color Depth: 10 bits
  • ​​​​​​​ Contrast Ratio: 3,000:1
  • ​​​​​​​ Response Time (Typ.): 8 ms
  • ​​​​​​​ Viewing Angle: 178° / 178°
  • ​​​​​​​ Light Lifetime (Typ.): 100,000 hrs
  • ​​​​​​​ Blackening Defect Free: Up to 110°C (230°F)
  • ​​​​​​​ Viewable with Polarized Lenses: Yes
  • ​​​​​​​ Panel Surface: AR, 2H
  • ​​​​​​​ Power Supply: Internal
  • ​​​​​​​ Rated Voltage: 100 ~ 240 V, 50 Hz / 60 Hz
  • ​​​​​​​ Power On Mode (Typ./Max.): 170 W / 280 W
  • ​​​​​​​ Power Saving Mode: < 1 W
  • ​​​​​​​ Bezel Width (T/B/L/R): 8.7 / 8.7 / 8.5 / 8.5 mm
  • ​​​​​​​ Cabinet Color: Black
  • ​​​​​​​ Dimension (LxHxD, w/o stand): 1096.7 x 627.2 x 82.3 mm
  • ​​​​​​​ Monitor Weight: 19.6 kg
  • ​​​​​​​ Orientation: Portrait / Landscape
  • ​​​​​​​ VESA Mounting (LxH): 400 x 400 mm
  • ​​​​​​​ Carrying Handles: Yes
  • ​​​​​​​ Fanless Design: Yes
  • ​​​​​​​ Language: English
  • ​​​​​​​ Built-in Video Wall Support: Up to 15x15
  • ​​​​​​​ Dimming Control: Yes
  • ​​​​​​​ Image Retention Protection: Yes
  • ​​​​​​​ Auto Orientation Sensor: Yes
  • ​​​​​​​ Ambient Light Sensor: Yes
  • ​​​​​​​ Power On/Off Scheduling: Yes
  • ​​​​​​​ Internal Temperature Sensor: Yes
  • ​​​​​​​ OSD Menu Rotation: Yes
  • ​​​​​​​ SDM-L: Yes
  • ​​​​​​​ SDM-S: Yes, Support with DynaScan extended board
  • ​​​​​​​ Power Support: Up to 45 W
  • ​​​​​​​ HDMI: x1 (1080p)
  • ​​​​​​​ DVI-D: x1
  • ​​​​​​​ Display Port: x1
  • ​​​​​​​ DVI-D: x1
  • ​​​​​​​ Audio: x1
  • ​​​​​​​ RS-232: In x1, Out x1
  • ​​​​​​​ Operating Temperature: 0° C ~ 45° C
  • ​​​​​​​ Storage Temperature: -20° C ~ 60° C
  • ​​​​​​​ Humidity: 10% ~ 80% RH Non-condensing
  • ​​​​​​​ CE / FCC / RoHS
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DS491LT4-M Data Sheet
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